The Screw,machine, cataloged under National Stock Number 5305-01-181-1118, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-181-1118 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS5643,SOLUTION TREATED ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.170 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.478 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN |
| Screw Material | STEEL COMP 630 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Screw Surface Treatment Document and Classification | QQ-P-35,TYPE OPTIONAL FED SPEC SINGLE TREATMENT RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3829528-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-181-1118 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-181-1118: Head Height: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS5643,SOLUTION TREATED ASSN STD SINGLE MATERIAL RESPONSE. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.